diff --git a/files/www/cgi-bin/vpn b/files/www/cgi-bin/vpn
index 69030e5a..05f9d02e 100755
--- a/files/www/cgi-bin/vpn
+++ b/files/www/cgi-bin/vpn
@@ -179,7 +179,7 @@ function install_vtun()
     os.execute("cat /etc/config.mesh/network_tun >> /etc/config.mesh/network")
     os.execute("cat /etc/config.mesh/network_tun >> /etc/config/network")
 
-    io.open("/etc/config/vtun", "w"):close()
+    io.open("/etc/config/vtun", "a"):close()
     cursor:add("vtun", "options")
     cursor:add("vtun", "network")
     cursor:commit("vtun")
diff --git a/files/www/cgi-bin/vpnc b/files/www/cgi-bin/vpnc
index 69275837..0237472c 100755
--- a/files/www/cgi-bin/vpnc
+++ b/files/www/cgi-bin/vpnc
@@ -164,7 +164,7 @@ function install_vtun()
     os.execute("cat /etc/config.mesh/network_tun >> /etc/config.mesh/network")
     os.execute("cat /etc/config.mesh/network_tun >> /etc/config/network")
 
-    io.open("/etc/config/vtun", "w"):close()
+    io.open("/etc/config/vtun", "a"):close()
     cursor:add("vtun", "options")
     cursor:add("vtun", "network")
     cursor:commit("vtun")